chore: change class shape for text and radio/checklist

Author: rishisurana-labelbox

libs/labelbox/src/labelbox/data/annotation_types/audio.py

@@ -24,7 +24,28 @@ class AudioClassificationAnnotation(ClassificationAnnotation):
     """
 
     start_frame: int
-    end_frame: Optional[int] = None
     segment_index: Optional[int] = None
 
 
+class AudioTextClassificationAnnotation(ClassificationAnnotation):
+    """Audio classification for specific time range
+
+    Examples:
+    - Speaker identification from 2500ms to 4100ms
+    - Audio quality assessment for a segment
+    - Language detection for audio segments
+
+    Args:
+        name (Optional[str]): Name of the classification
+        feature_schema_id (Optional[Cuid]): Feature schema identifier
+        value (Union[Text, Checklist, Radio]): Classification value
+        start_frame (int): The frame index in milliseconds (e.g., 2500 = 2.5 seconds)
+        end_frame (Optional[int]): End frame in milliseconds (for time ranges)
+        segment_index (Optional[int]): Index of audio segment this annotation belongs to
+        extra (Dict[str, Any]): Additional metadata
+    """
+
+    start_frame: int
+    end_frame: int = None
+
+